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Genuine BMW
BMW Part Number12 31 1 403 936

Compact generator (exchange unit)

105A · one of 4 types

Out of stock

One email when it is listed. Nothing else.

Free US shipping on orders over $75.00 · oversize quoted. Oversize items ship at a flat $49.99 each — free shipping does not cover them.

WARNING: Cancer and Reproductive Harm from exposure to lead — www.P65Warnings.ca.gov P65Warnings.ca.gov

Inspected and graded before it's listed · 30-day returns

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Fits E36 M3 1992–95 — S50 engine

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Other types · 4 in all

Compact generator (exchange unit) – BMW diagram

Callout 01 on BMW’s drawing “Alternator”. Open the drawing →

Genuine BMW part 12 31 1 403 936: Compact generator (exchange unit). You will find it under Electrical (Alternator with motor and mounting).

Fits E36 M3 (1995), sedan, coupe and convertible, with the S50 engine.

BMW draws it on the Alternator drawing. It weighs about 5.7 kg (13 lb).

Out of stock. Request it and we will notify you when it is in stock.

Details

EnginesS50
Weight5.72 kg

Used parts are inspected and graded: Good (minimal wear), Fair (normal wear) or Acceptable (visible wear). All fully working. Returns: 30 days if a part arrives damaged or not as described.

The other parts on BMW’s drawing “Alternator”. Open the drawing →

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--Deflection pulley2 numbers at this calloutOut of stockRequest
01Compact generator (exchange unit) · this part9 numbers at this calloutOut of stock

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InElectricalAlternator with motor and mounting